Which of the following set represents the correct labeling of A, B, C and D with respect to the given diagram?
1. | A- Seed Coat, B- Cotyledon, C- Endosperm, D - Hypocotyle |
2. | A -Seed Coat, B- Scutellum, C- Endocarp, D - Mesocarp |
3. | A- Seed Coat, B- Scutellum, C- Microphyle, D - Endocarp |
4. | A-Pericarp, B - Coleoptile |
Bee-keeping helps to improve the yield of following crops Except ____________.
1. Jowar
2. Sunflower
3. Apple
4. Mustard
Assertion (A): | Hybrids are widely used in cultivation to increase productivity and apomixes can be an important tool for maintaining hybrid nature. |
Reason (R): | Seeds produced by apomictic plants are identical to mother plant as there is no segregation |
1. | Both (A) & (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) & (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true statement but (R) is false. |
4. | Both (A) and (R) are false statements. |
Group-A | Group-B |
A. Aleurone layer | i. without fertilization |
B. Parthenocarpic fruit | ii. Nutrition |
C. Ovule | iii. Double fertilization |
D. Endosperm | iv. Seed |
Assertion (A): | The megaspore mother cell divide mitotically to produce four spores. |
Reason (R): | Megaspore mother cells are diploid and megaspore is haploid. |
1. | Both (A) & (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) & (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) is false but (R) is true. |